Balloon OcclusionAngiographyCatheterizationCoronary AngiographyCerebral AngiographyAngioplasty, BalloonMagnetic Resonance AngiographyEmbolization, TherapeuticAngiography, Digital SubtractionCarotid Artery, InternalAngioplasty, Balloon, CoronaryCollateral CirculationPostoperative ComplicationsIntracranial AneurysmTreatment OutcomeCavernous SinusTomography, X-Ray ComputedStentsCarotid Artery DiseasesSuperior Sagittal SinusFluorescein AngiographyIntraoperative ComplicationsTime FactorsFollow-Up StudiesContrast MediaIntra-Aortic Balloon PumpingCoronary VesselsArterial Occlusive DiseasesIntraoperative CareCoronary CirculationArteriovenous FistulaHemodynamicsProspective StudiesCoronary OcclusionCardiac CatheterizationGastric BalloonRetrospective StudiesCoronary DiseaseIntracranial EmbolismMyocardial IschemiaOrganotechnetium CompoundsOximesTechnetium Tc 99m ExametazimeMyocardial InfarctionTomography, Emission-Computed, Single-PhotonCerebrovascular CirculationElectrocardiographyMyocardial StunningSwineCarotid StenosisRetinal Vein OcclusionConstriction, PathologicRetinal Artery OcclusionBlood Flow VelocityVena Cava, InferiorPreoperative CareDisease Models, AnimalDogsNeurologic ExaminationMyocardial ReperfusionCoronary StenosisGraft Occlusion, VascularCoronary Artery DiseaseRadionuclide AngiographySensitivity and SpecificityRecurrenceVentricular Function, LeftIliac ArteryBalloon ValvuloplastyFemoral ArteryBlood PressureBrain IschemiaCerebral ArteriesPredictive Value of TestsImaging, Three-DimensionalRisk FactorsVascular PatencyAngioplasty, Balloon, Laser-AssistedFeasibility StudiesDental OcclusionUltrasonography, InterventionalAneurysm, RupturedVertebrobasilar InsufficiencyVertebral ArteryTomography, Spiral ComputedCarotid ArteriesInfarction, Middle Cerebral ArteryIntracranial Arteriovenous MalformationsRadiography, InterventionalCerebral InfarctionSeverity of Illness IndexCerebral Arterial DiseasesCarotid Artery InjuriesReoperationIschemiaMesenteric Vascular OcclusionSubarachnoid HemorrhageThrombosisIschemic Attack, TransientMagnetic Resonance Imaging